[Bug c/92833] ice for broken C code

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92833

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Joseph Myers <js...@gcc.gnu.org>:

https://gcc.gnu.org/g:852f0ae80555238c425e33f98df5c7077694bd9f

commit r10-6026-g852f0ae80555238c425e33f98df5c7077694bd9f
Author: Kerem Kat <kerem...@gmail.com>
Date:   Thu Jan 16 23:42:11 2020 +0000

    Fix ICE caused by swallowing a token in c_parser_consume_token

    This patch fixes ICE on invalid code, specifically files that have
    conflict-marker-like signs before EOF.

        PR c/92833
    gcc/c/
        * c-parser.c (c_parser_consume_token): Fix peeked token stack pop
        to support 4 available tokens.

    gcc/testsuite/
        * c-c++-common/pr92833-1.c, c-c++-common/pr92833-2.c,
        c-c++-common/pr92833-3.c, c-c++-common/pr92833-4.c: New tests.